Omron DeviceNet Safety, System Configuration Manual

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Maintenance Functions (Unit Version 1.0 or Later) Section 7-2
In figure B, the bit is actually ON for 0.5 s x 3 = 1.5 s, but the bit is ON twice
when the status is checked, so the total ON time is measured as 2 s.
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Calculating the Total ON Time with 1.5-s ON Pulses
In figure C, the bit is actually ON for 1.5 s
×
2 = 3 s, but the bit is ON four times
when the status is checked, so the total ON time is measured as 4 s.
0.5 s
ON
OFF
Measured about 1 time/second
Figure A
Measured about 1 time/second
Figure B
0.5 s
ON
OFF
1.5 s
Figure C
Measured about 1 time/second
ON
OFF